What goes in the blank spots Please help

Students who utilize the" read, underline and eliminate" strategy are more likely to get better test grades. why do you think this is so

Why are metamorphic rocks formed by contact metamorphism usually not dense or resistant?

You want to test the hypothesis that smoking cigarettes increases the risk of lung cancer. in your experiment, you take 100 people of various ages and genders for each of your groups. one group smokes. the other group does not smoke. the group that does not smoke is called the group